Fullstack Engineer

Chamelio
Tel Aviv, Israel
On-site

Who this role is best for

A natural match if you have experience building AI-powered systems and working in fast-paced startup environments.

Best fit for

  • Candidates with AI integration experience and a history of end-to-end feature ownership in startups
    — “You'll work directly with LLMs, design scalable systems, and ship production AI features”
  • Individuals with 6+ years of professional full-stack development and a demonstrated ability to adapt to new technologies
    — “6+ years of professional experience building production systems across frontend and backend”
  • Professionals who actively use AI coding tools and are excited about their transformative potential
    — “You actively use AI tools in your day-to-day work and are excited about their potential”

Things to consider

  • The role demands a high level of ownership and accountability for features from design to deployment
    — “Own features end-to-end, from design through deployment across the full stack”
  • Strong familiarity with enterprise integration platforms is a key differentiator for success
    — “Develop integrations with enterprise platforms like Salesforce, Google Drive, SharePoint, and DocuSign”

How to stand out

  • Highlight your experience with AI-powered applications and your ability to ship features quickly
    — “ship production AI features that transform how legal teams operate worldwide”
  • Emphasize your hands-on experience with LLMs and connecting AI logic to business systems
    — “Work hands-on with LLMs and build the connecting logic between AI capabilities and business systems”
  • Showcase your ability to collaborate across ML, AI research, and legal domain teams
    — “Partner with ML engineers, AI researchers, and legal domain experts to deliver impactful solutions”
  • Demonstrate your expertise in Python, FastAPI, and React.js with concrete examples
    — “Build scalable backend services and APIs using Python (FastAPI, Pydantic, Postgres, MongoDB)”
  • Demonstrate your experience with cloud-native architectures, especially AWS
    — “Familiarity with AWS infrastructure and cloud-native architectures”
Pace · Fast PacedCollaboration · HighAutonomy · HighDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • Developed scalable backend services and APIs
  • Created responsive, performant frontend experiences
  • Built integrations with enterprise platforms
  • Worked with LLMs and built connecting logic
  • Contributed to architectural decisions
Typical background
6+ years of professional experience in fullstack developmentExperience with Python and modern frameworksExperience with React.js and building complex UIs

Skills & requirements

Required

PythonFastapiReact.jsPostgreSQLMongoDBLLM IntegrationAWSAI Coding Tools

Preferred

Salesforce IntegrationGoogle Drive IntegrationSharepoint IntegrationDocusign Integration

Stack & domain

PythonFastapiPydanticPostgreSQLMongoDBReact.jsSalesforceGoogle DriveSharepointDocusignLlmsAIAWSCloud-native ArchitecturesLeadershipProblem-solvingCommunicationTeamworkAdaptabilityLegal TechBackendFrontendEnterprise PlatformsAutomated Workflows

About the role

Original posting from Chamelio via Ashby

About us

Chamelio is revolutionizing legal tech with an AI-powered Legal Intelligence Platform trusted by some of the world's fastest-growing companies, including Wiz, Socure, Appsflyer and Monday. We help in-house legal teams accelerate negotiations, reduce risk, and unlock institutional knowledge through automated workflows.

About the job

We're looking for a Senior Fullstack Software Engineer to build intelligent backend infrastructure and exceptional user experiences that power our platform. You'll work directly with LLMs, design scalable systems, and ship production AI features that transform how legal teams operate worldwide. If you love owning features end-to-end and moving fast, we want to hear from you.

What You'll Do

  • Own features end-to-end, from design through deployment across the full stack
  • Build scalable backend services and APIs using Python (FastAPI, Pydantic, Postgres, MongoDB)
  • Create responsive, performant frontend experiences with React.js
  • Develop integrations with enterprise platforms like Salesforce, Google Drive, SharePoint, and DocuSign
  • Work hands-on with LLMs and build the connecting logic between AI capabilities and business systems
  • Partner with ML engineers, AI researchers, and legal domain experts to deliver impactful solutions
  • Contribute to architectural decisions and help establish engineering best practices as we scale

What You'll Bring

  • Passion to own and deliver – you take full responsibility for your work and drive features from idea to production
  • Curiosity and adoption of AI coding tools – you actively use tools like Cursor or Claude Code and are excited about how AI is transforming software development
  • 6+ years of professional experience building production systems across frontend and backend
  • Strong backend skills with Python and modern frameworks
  • Experience with React.js and building complex, performant UIs
  • Exceptional problem-solving skills with a keen eye for detail
  • You actively use AI tools in your day-to-day work and are excited about their potential
  • Ability to quickly learn new technologies and thrive in unfamiliar domains
  • Strong communication skills, effective in a fast-paced startup environment

Bonus Points

  • Experience building LLM-powered applications or working with AI APIs
  • Familiarity with AWS infrastructure and cloud-native architectures
  • Previously founded a startup or have early-stage startup experience

Our Tech Stack

Python, TypeScript, React.js, FastAPI, PostgreSQL, MongoDB, Redis, AWS, Claude Code, Cursor

Why Chamelio?

  • Make an impact: Your code will transform how legal teams at leading companies worldwide operate
  • Ship fast: Work in a lean, high-velocity environment where you see your work in production quickly
  • Own your work: Take full ownership of meaningful projects from conception to deployment
  • Grow with us: Join early and shape both the product and company as we scale

Source: Chamelio careers (Ashby)

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